CN102724429A - Cyclic recording method - Google Patents
Cyclic recording method Download PDFInfo
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- CN102724429A CN102724429A CN2011104157677A CN201110415767A CN102724429A CN 102724429 A CN102724429 A CN 102724429A CN 2011104157677 A CN2011104157677 A CN 2011104157677A CN 201110415767 A CN201110415767 A CN 201110415767A CN 102724429 A CN102724429 A CN 102724429A
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Abstract
The invention discloses a cyclic recording method. The method comprises the following steps: according to a multimedia acquisition time unit, receiving a multimedia file and acquiring a multimedia file unit; according to code stream format information, packaging the multimedia file into a cache multimedia file; receiving user acquisition time information; according to the user acquisition time information, intercepting the cache multimedia file and acquiring a user multimedia acquisition unit; according to the user multimedia acquisition unit, acquiring a user multimedia file; carrying out playing according to the user multimedia file. By using the method of the invention, user interception can be performed on a multimedia material at any time. A system resource can be fully used. A stable working state of a system is maintained and stability of the system is enhanced. Actual file recording is not performed on historical data and the multimedia file is actually generated after the user intercepts the file. Therefore, user can collect the historical data, a system storage resource is saved and system operation cost is saved too.
Description
Technical field
The present invention relates to lay particular emphasis in the television network broadcast system in the material data edition and process field of television network broadcast system, emphasis is in the application of digital video-audio industrial field, particularly a kind of method of loop recording.
Background technology
Along with the development of TV network video and program request technology, popularize, and users are to the needs of network program request, to the program that has broadcasted through TV station; Can select to use multiple mode to issue by all kinds of means; Give and to watch the user that multiple occasion and the mode of watching is provided, particularly along with the development of intelligent terminal, the user can select to select in many ways to watch program; Simultaneously; Including as the most basic user's operation of multimedia material used by wide variety of user, and the present video server major part that acceptance system adopted is to include by the single time of receipt of the row of including.Some begins to receive, and some finishes the strict time point of pressing and carries out.When beginning to receive, video channel is opened, acquired signal information, encoder begin coding, hard disk addressing write data, include end, the file encapsulation is accomplished, form and include material file, meta data file etc.Seem shirtsleeve operation, video server has been done a lot of work.Because hardware such as the passage integrated circuit board used of video server, codec need be put frequent switch by time of receipt, especially the pulse of video flowing moment is very big, stability and time-delay equivalent risk when existing video server to include.
Realize in the process of the present invention that the inventor finding has following defective in the prior art, when acceptance system is gathered multimedia in the prior art; Take a large amount of system resource, the speed of service of system is brought influence, the pulse of video flowing moment is very big; Stability and time-delay equivalent risk when existing video server to include, simultaneously, the existing mode of including will just can be carried out when video has been made accurate setting gathering the user; Under the situation that does not have setting in advance, can not include multimedia file, therefore; The user can not arbitrarily obtain including content, has limited to the operation of multimedia material.
Summary of the invention
To defective of the prior art, the invention solves the multimedia material at any time section carry out user's intercepting, the time spent is the problem of long-time occupying system resources not.
In order to solve the method that above technical problem the invention provides a kind of loop recording, specifically comprise: receive the multimedia collection time quantum;
Gather multimedia file according to said multimedia collection time quantum in chronological order, obtain the multimedia file unit, said multimedia file comprises in the unit: said multimedia collection time quantum;
Receiving code stream format information comprises in the said code stream format information: data packet head format information and packet unit information comprise in the said data packet head format information: code stream form, code stream acquisition time, data packet number and packet sequence numbering; Comprise in the said packet unit information: the packet unit capacity;
According to said code stream format information the stack of said multimedia file unit is encapsulated as the buffer memory multimedia file in chronological order;
Receive user's acquisition time information;
Obtain the customer multi-media collecting unit according to the said buffer memory multimedia file of said user's acquisition time information interception;
Play according to said multimedia collection unit
Wherein, said multimedia file unit specifically comprises: video multimedia file unit and audio frequency multimedia file unit.
Wherein, Said according to said code stream format information the stack of said multimedia file unit being encapsulated as in the buffer memory multimedia file step in chronological order specifically comprises: according to said multimedia file unit and said packet unit capacity; Obtain said data packet number and packet sequence numbering; According to said multimedia collection time quantum, obtain the code stream acquisition time; According to said multimedia file unit and said data packet number, obtain said packet unit information; Obtain the buffer memory multimedia file.
Wherein, said code stream form is specially: TS stream media format and PS stream media format.
Wherein, said reception user acquisition time information step specifically comprises: receive user's acquisition time information, comprise in the said acquisition time: intercepting time started, intercepting concluding time; Obtain beginning intercepting time indicator according to the said intercepting time started; Obtain according to the said intercepting concluding time and to finish the intercepting time indicator.
Wherein, said reception user acquisition time information step specifically comprises: receive user's acquisition time information, comprise in the said acquisition time: intercepting time started and intercepting duration; Obtain beginning intercepting time indicator according to the said intercepting time started; Obtain and finish the intercepting time indicator according to said intercepting duration of adding up said intercepting time started.
Wherein, saidly obtain customer multi-media collecting unit step according to the said buffer memory multimedia file of said user's acquisition time information interception and specifically comprise: obtain the customer multi-media collecting unit according to said beginning intercepting time indicator and the said buffer memory multimedia file of said end intercepting time indicator intercepting.
Wherein, saidly specifically comprise after according to said code stream format information said multimedia file unit stack being encapsulated as buffer memory multimedia file step in chronological order: receive the buffer memory residual capacity; Receive the file migration address; Whether judge said buffer memory multimedia file capacity greater than said buffer memory residual capacity, if, then cache file is carried out file migration according to said file migration address, otherwise, said buffer memory multimedia file is deposited to buffer memory; According to said file migration spanned file migration tabulation.Receiving fractionation keyword step specifically comprises: receive fractionation starting point keyword and fractionation and receive the fractionation endpoint keyword.
Wherein, Saidly obtain specifically to comprise in the customer multi-media collecting unit step: judge that said user's acquisition time information is whether in buffer memory, if then the said buffer memory multimedia file of intercepting obtains the customer multi-media collecting unit in buffer memory according to the said buffer memory multimedia file of said user's acquisition time information interception; If not; Then inquire about said file migration tabulation, extract migrated file, the said migrated file of intercepting obtains the customer multi-media collecting unit.
Wherein, carry out also specifically comprising in the step for playing according to said multimedia collection unit: edit according to said customer multi-media file.
Wherein, carry out also specifically comprising after the step for playing according to said multimedia collection unit: generate subtitle file according to the multimedia collection unit; In broadcast control system, said subtitle file is play.
Compared with prior art, the embodiment of the invention has the following advantages: leave in the internal memory through multimedia file is encapsulated as packet according to the media code stream format, and in the encapsulation process of multimedia file, write down the temporal information of said multimedia file; So that the user is convenient to retrieval when carrying out the multimedia file intercepting, after the user is selected to internal storage data bag content, can generate concrete multimedia file, thereby; Acceptance system is when realizing including operation; Not directly to peripheral multimedia database or collection terminal direct control, alleviated the processing intensity of system, simultaneously to peripheral video acquisition; Can realize the collection of user to historical data; Because historical data is not carried out the system record of actual file, and only reality generates multimedia file after the user is to the file intercepting, therefore; Save the storage resources of system, practiced thrift the operating cost of system.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1: the sketch map that is a kind of method of loop recording in the embodiment of the invention 1;
Fig. 2: the sketch map that is the method for another kind of loop recording in the embodiment of the invention 2;
Fig. 3: the sketch map that is system master chip in the embodiment of the invention 3.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obvious described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
A kind of method of loop recording is provided in the embodiment of the invention 1, as shown in Figure 1, may further comprise the steps:
S101: receive the multimedia collection time quantum;
S102: obtain the multimedia file unit;
This step specifically comprises: gather multimedia file according to said multimedia collection time quantum in chronological order, obtain the multimedia file unit, said multimedia file comprises in the unit: said multimedia collection time quantum;
S103: receiving code stream format information;
This step specifically comprises: receiving code stream format information; Comprise in the said code stream format information: data packet head format information and packet unit information comprise in the said data packet head format information: code stream form, code stream acquisition time, data packet number and packet sequence numbering; Comprise in the said packet unit information: the packet unit capacity;
S104: be encapsulated as the buffer memory multimedia file;
This step specifically comprises: according to said code stream format information the stack of said multimedia file unit is encapsulated as the buffer memory multimedia file in chronological order;
S105: receive user's acquisition time information;
S106: obtain the customer multi-media collecting unit;
This step specifically comprises: obtain the customer multi-media collecting unit according to the said buffer memory multimedia file of said user's acquisition time information interception;
S107: play; Play according to said multimedia collection unit.
The method of another kind of loop recording is provided in the embodiment of the invention 2, as shown in Figure 2, may further comprise the steps:
S201: receive the multimedia collection time quantum;
S202: obtain the multimedia file unit;
This step specifically comprises: gather multimedia file according to said multimedia collection time quantum in chronological order, obtain the multimedia file unit, said multimedia file comprises in the unit: said multimedia collection time quantum.
S203: receiving code stream format information;
This step specifically comprises: receiving code stream format information; Comprise in the said code stream format information: data packet head format information and packet unit information comprise in the said data packet head format information: code stream form, code stream acquisition time, data packet number and packet sequence numbering; Comprise in the said packet unit information: the packet unit capacity; Said code stream form is specially: TS stream media format and PS stream media format.
S204: be encapsulated as the buffer memory multimedia file;
This step specifically comprises: according to said code stream format information the stack of said multimedia file unit is encapsulated as the buffer memory multimedia file in chronological order; Said said multimedia file being encapsulated as in the buffer memory multimedia file step according to said code stream format information specifically comprises: according to said multimedia file unit and said packet unit capacity; Obtain said data packet number and packet sequence numbering; According to said multimedia collection time quantum, obtain the code stream acquisition time; According to said multimedia file unit and said data packet number, obtain said packet unit information; Obtain the buffer memory multimedia file.
After above step, also specifically comprise:
Step S2041: judge the cache file capacity;
Above step specifically comprises: receive the buffer memory residual capacity; Receive the file migration address; Whether judge said buffer memory multimedia file capacity greater than said buffer memory residual capacity, if, then cache file is carried out file migration according to said file migration address, otherwise, said buffer memory multimedia file is deposited to buffer memory; According to said file migration spanned file migration tabulation;
S205: receive user's acquisition time information;
Said reception user acquisition time information also step specifically comprises:
Step S2051: acquisition time pointer:
This step specifically comprises: receive user's acquisition time information, comprise in the said acquisition time: intercepting time started, intercepting concluding time; Obtain beginning intercepting time indicator according to the said intercepting time started; Obtain according to the said intercepting concluding time and to finish the intercepting time indicator.Or said reception user acquisition time information step specifically comprises: receive user's acquisition time information, comprise in the said acquisition time: intercepting time started and intercepting duration; Obtain beginning intercepting time indicator according to the said intercepting time started; Obtain and finish the intercepting time indicator according to said intercepting duration of adding up said intercepting time started.
S206: obtain the customer multi-media collecting unit;
This step specifically comprises: obtain the customer multi-media collecting unit according to the said buffer memory multimedia file of said user's acquisition time information interception;
Said step also specifically comprises:
Step S2061: according to time indicator intercepting multimedia file;
This step specifically comprises: obtain the customer multi-media collecting unit according to said beginning intercepting time indicator and the said buffer memory multimedia file of said end intercepting time indicator intercepting.
Specifically comprise in the said step:
Step S2062: from buffer memory or migration address, obtain file:
Above step specifically comprises: judge that said user's acquisition time information is whether in buffer memory; If; Then the said buffer memory multimedia file of intercepting obtains the customer multi-media collecting unit in buffer memory, if not, then inquires about said file migration tabulation; Extract migrated file, the said migrated file of intercepting obtains the customer multi-media collecting unit.
S207: play;
This step specifically comprises: play according to said multimedia collection unit.Above step also can further comprise: saidly carry out also specifically comprising in the step for playing according to said customer multi-media file: edit according to said customer multi-media file.
Step S208: play according to subtitle file.
This step specifically comprises: generate subtitle file according to the multimedia collection unit; In broadcast control system, said subtitle file is play.
A kind of embodiment of method of loop recording is provided in the embodiment of the invention 3, as shown in Figure 3:
Storage hard disk at video server is set up local magnanimity buffer area; Video include path setting good after, this passage is looked the audio content loop recording in the magnanimity buffer area, the magnanimity buffer area is provided with bigger; Such as one day 24 hours, it seems that the client be exactly recording of never stopping.
After the access time that user's setting is included, be put in the hard disk in the content that from buffer area, will come in and go out a little.Because video server is the state of including always, video server keeps stable operating state to the processing of looking audio front end, thereby has strengthened the stability of video server.Also reduced simultaneously the situation of mistake record.
The video server performance recording be exactly with the video-voice frequency flow of required programs and relevant confidence with certain data organization format to hard disk.
The video-voice frequency flow that demodulation is waited until through front end gets into coffret module able to programme via MUX.Coffret module able to programme is a special microprocessor that is integrated in the main control chip, and main task is to accomplish to look the analysis of audio frequency, the reconciliation multiple connection of allaying sorrow.The magnanimity buffer area that it carries can carry out transfer of data with dma mode with exterior storage.
Coffret module able to programme is extracted in the video-voice frequency flow needs the corresponding packet of recorded program, and deposits such packet in the magnanimity buffer area.When the task of reception; Through driver notice software section, be responsible for packet in the magnanimity buffer area is copied in the exterior storage by software, in case after the zone of opening up for disk read-write in the exterior storage is full of; Data are written on the hard disk from external memory area, have accomplished the overall process of recording.
Offered the magnanimity buffer area at the hard disk of video server, program has been carried out real-time storage.The file that is recorded in buffer area is a circular file.Normal recorded program is a regular file, and the size of file can be along with increasing writing time and increase, and accomplishes or till hard drive space exhausts up to performance recording; And circular file uses a kind of special file logging form, and the circular file size is fixing, and a read pointer and a write pointer are arranged.Because the purpose of recording is not to get off section directory, but at the magnanimity buffer area, the buffer memory certain hour; Once concrete time of receipt point is arranged, system will store program data in the hard disk into, and write pointer begins to move backward; To beginning recording time point, form file storage in hard disk.
Through the description of above execution mode, those skilled in the art can be well understood to the present invention and can realize through hardware, also can realize by the mode that software adds necessary general hardware platform.Based on such understanding; Technical scheme of the present invention can be come out with the embodied of software product, this software product can be stored in a non-volatile memory medium (can be CD-ROM, USB flash disk; Portable hard drive etc.) in; Comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the sketch map of a preferred embodiment, module in the accompanying drawing or flow process might not be that embodiment of the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number is not represented the quality of embodiment just to description.
More than disclosedly be merely several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (11)
1. the method for a loop recording is characterized in that, comprising:
Receive the multimedia collection time quantum;
Gather multimedia file according to said multimedia collection time quantum in chronological order, obtain the multimedia file unit, said multimedia file comprises in the unit: said multimedia collection time quantum;
Receiving code stream format information comprises in the said code stream format information: data packet head format information and packet unit information comprise in the said data packet head format information: code stream form, code stream acquisition time, data packet number and packet sequence numbering; Comprise in the said packet unit information: the packet unit capacity;
According to said code stream format information the stack of said multimedia file unit is encapsulated as the buffer memory multimedia file in chronological order;
Receive user's acquisition time information;
Obtain the customer multi-media collecting unit according to the said buffer memory multimedia file of said user's acquisition time information interception;
Play according to said multimedia collection unit.
2. the method described in claim 1 is characterized in that, said multimedia file unit specifically comprises:
Video multimedia file unit and audio frequency multimedia file unit.
3. the method described in claim 1; It is characterized in that; Said according to said code stream format information the stack of said multimedia file unit being encapsulated as in the buffer memory multimedia file step in chronological order specifically comprises: according to said multimedia file unit and said packet unit capacity; Obtain said data packet number and packet sequence numbering,, obtain the code stream acquisition time according to said multimedia collection time quantum; According to said multimedia file unit and said data packet number, obtain said packet unit information; Obtain the buffer memory multimedia file.
4. the method described in claim 1 is characterized in that, said code stream form is specially: TS stream media format and PS stream media format.
5. the method described in claim 1 is characterized in that, said reception user acquisition time information step specifically comprises:
Receive user's acquisition time information, comprise in the said acquisition time: intercepting time started, intercepting concluding time;
Obtain beginning intercepting time indicator according to the said intercepting time started;
Obtain according to the said intercepting concluding time and to finish the intercepting time indicator.
6. the method described in claim 1 is characterized in that, said reception user acquisition time information step specifically comprises:
Receive user's acquisition time information, comprise in the said acquisition time: intercepting time started and intercepting duration;
Obtain beginning intercepting time indicator according to the said intercepting time started;
Obtain and finish the intercepting time indicator according to said intercepting duration of adding up said intercepting time started.
7. the method described in claim 5 or 6 is characterized in that, saidly obtains customer multi-media collecting unit step according to the said buffer memory multimedia file of said user's acquisition time information interception and specifically comprises:
Obtain the customer multi-media collecting unit according to said beginning intercepting time indicator and the said buffer memory multimedia file of said end intercepting time indicator intercepting.
8. the method described in claim 1 is characterized in that, saidly specifically comprises after according to said code stream format information said multimedia file unit stack being encapsulated as buffer memory multimedia file step in chronological order:
Receive the buffer memory residual capacity;
Receive the file migration address;
Whether judge said buffer memory multimedia file capacity greater than said buffer memory residual capacity, if, then cache file is carried out file migration according to said file migration address, otherwise, said buffer memory multimedia file is deposited to buffer memory;
According to said file migration spanned file migration tabulation.
9. the method described in claim 8 is characterized in that, and is said according to specifically comprising in the said buffer memory multimedia file acquisition of the said user's acquisition time information interception customer multi-media collecting unit step:
Judge that said user's acquisition time information is whether in buffer memory, if then the said buffer memory multimedia file of intercepting obtains the customer multi-media collecting unit in buffer memory; If not; Then inquire about said file migration tabulation, extract migrated file, the said migrated file of intercepting obtains the customer multi-media collecting unit.
10. the method described in claim 1 is characterized in that, saidly carries out also specifically comprising in the step for playing according to said multimedia collection unit:
Edit according to said customer multi-media file.
11. the method described in claim 1 is characterized in that, saidly carries out also specifically comprising after the step for playing according to said multimedia collection unit:
Generate subtitle file according to the multimedia collection unit;
In broadcast control system, said subtitle file is play.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110415767.7A CN102724429B (en) | 2011-12-13 | 2011-12-13 | A kind of method of loop recording |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110415767.7A CN102724429B (en) | 2011-12-13 | 2011-12-13 | A kind of method of loop recording |
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| Publication Number | Publication Date |
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| CN102724429A true CN102724429A (en) | 2012-10-10 |
| CN102724429B CN102724429B (en) | 2017-08-04 |
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| CN201110415767.7A Expired - Fee Related CN102724429B (en) | 2011-12-13 | 2011-12-13 | A kind of method of loop recording |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105959741A (en) * | 2016-05-20 | 2016-09-21 | 深圳市九洲电器有限公司 | Audio-video fragment sharing method and system |
| CN113038033A (en) * | 2021-03-02 | 2021-06-25 | 深圳市浩科电子有限公司 | Method for acquiring video |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1496118A (en) * | 2002-08-08 | 2004-05-12 | 三星电子株式会社 | Video frequency recording/reproducing device and storage control method |
| WO2006003101A1 (en) * | 2004-07-01 | 2006-01-12 | Thomson Licensing | Device and method for recording multimedia data |
| CN101860550A (en) * | 2010-06-25 | 2010-10-13 | 复旦大学 | Streaming media system accelerating method based on router cache |
-
2011
- 2011-12-13 CN CN201110415767.7A patent/CN102724429B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1496118A (en) * | 2002-08-08 | 2004-05-12 | 三星电子株式会社 | Video frequency recording/reproducing device and storage control method |
| WO2006003101A1 (en) * | 2004-07-01 | 2006-01-12 | Thomson Licensing | Device and method for recording multimedia data |
| CN101860550A (en) * | 2010-06-25 | 2010-10-13 | 复旦大学 | Streaming media system accelerating method based on router cache |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105959741A (en) * | 2016-05-20 | 2016-09-21 | 深圳市九洲电器有限公司 | Audio-video fragment sharing method and system |
| CN113038033A (en) * | 2021-03-02 | 2021-06-25 | 深圳市浩科电子有限公司 | Method for acquiring video |
| CN113038033B (en) * | 2021-03-02 | 2023-07-07 | 深圳市浩科电子有限公司 | Method for acquiring video |
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| CN102724429B (en) | 2017-08-04 |
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Effective date of registration: 20180511 Address after: 100195 Beijing Haidian District West Fourth Ring Road North 131 new six layer Patentee after: Beijing Newauto Group Co. Ltd. Address before: 100195 new technology building, 49 Wukesong Road, Haidian District, Beijing Patentee before: China Digital Video (Beijing) Limited |
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Granted publication date: 20170804 Termination date: 20201213 |